Home / 192,983.92-289,484-52,742.16

Finding the Fourth Proportional to 192,983.92, 289,484 and 52,742.16

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Solution

The fourth proportional to 192,983.92, 289,484 and 52,742.16 is: 79,115.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,983.92 : 289,484 = 52,742.16 : x
  2. Step 2: Convert to fraction form
    192,983.92/289,484 = 52,742.16/x
  3. Step 3: Cross multiply
    192,983.92x = 289,484 × 52,742.16
  4. Step 4: Simplify right side
    192,983.92x = 15,268,011,445.44
  5. Step 5: Solve for x
    x = 15,268,011,445.44/192,983.92
  6. Step 6: Final answer
    x = 79,115.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.